Pump Battery Pack, Portable Unit for 9 Volt Pump in Style Advanced Breast Pump Uses AA Batteries, Spare Parts
Offers opportunity for moms to customize their pump to fit their lifestyle
Perfect for pumping on the go, no need to worry about finding an outlet
Spare unit for work or travel; replacement unit for lost or damaged adaptor
.Authentic spare parts. Uses 8 AA batteries (not included). For more consistent pumping performance, rechargeable batteries are recommended
Microfiber padded battery pack
The battery container identification of 12V is referencing total voltage of 8 AA batteries (DC). The reference to use with the 9V pump is reference to pump's using the 9 V Transformer (AC).